{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "84501",
    "entityType": "User",
    "nonce": "0xc591d73345d5672d9a272911ec5e7339ee3d94ffa131fda74f7d127219fa4a74",
    "signature": "0xd0346b2349e4cd37d77fb2d2b182ec3e84f7cc8fd9502c03775ebb416c32014549ec3836f9557802da0d409538196697eff619eb2e313dd79ea5d0631fa3b3511c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}