{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "386745392",
    "entityType": "User",
    "nonce": "0xabdea9a31ef271ec5d5cb6357c1870b2055ee0a04befa85bbbe46332f4cd2de4",
    "signature": "0xde32a14c5070a91ab798e57c1560118bd8fc178783a7d472cca45821e78e6d95773897e7345e4c6dbbd649e6fb1ff359493547ed2e6e77ffbc4571d59bbc85bc1b",
    "signer": "0xE4c0c73a0c0CD7f65f1bE942f8127c8753aB89D9",
    "userId": "857284925"
  }
}