{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6656",
    "entityType": "User",
    "nonce": "0x91a8cb1a911eae09e22f452159f908baf6adfc8d80e8075f7f0132704fa2bc89",
    "signature": "0x0a8261428e9b0dd1cc8d4e2ddc7befc857cefceda10cd5cecdce2e88092e4596794215d586a3da7ec38d22610398f8d0f89e08dfa20cc872192630d5f3a4613e1c",
    "signer": "0x49725020a21cF6A928575eE04a5506771Fc95916",
    "userId": "908506084"
  }
}