{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x44267f065924df2e4cfbe2c87291df7eeecd5abe8ad00baab0652f86bdb144e5",
    "signature": "0x8a1479a61d0b9d82b81cdad9e8ccbf177946dcd07709b11e2a44ba39aa041b646261ab3ba2d394655774c4f5dba464aec03f48b39c76b04ed88436146cbafe4c1b",
    "signer": "0x867107DEcFB40F44c48D3a379C9aD33d78003062",
    "userId": "81310677"
  }
}