{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "325624",
    "entityType": "User",
    "nonce": "0x63cb9bc66ac33a339c39868df8d77bc2162cac89a33acc0844e454d99d5f10cc",
    "signature": "0x0dc7b920814775a2048e9e436d61e7d201cd2c09fb21d7f836acdfd3f234f3fc361810b6388317b82bbbfe51a9b09de277b67c752c0ba0e1e892b0deca97b2aa1c",
    "signer": "0x2D318cbd2a700036101dcCB4a65e4D9a0A19Bea2",
    "userId": "785729248"
  }
}