{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x6925ffbb2faff3a8807c7c08f1cf466f28523c922feac4517ee939636801c3dd",
    "signature": "0x4a737b65ee5025f4ea024c066a4b54ad2676b54afd741633b5394937cf148ebe3676c5fbe88284a3108d9fa2a1c2d4e0dd30330d287b00efa4987d1c0e6ca61f1b",
    "signer": "0xd27Ff2D99E109592Dfe4f087ae4Ed6e97258FA8D",
    "userId": "61500184"
  }
}