{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xbda7340f5dbe6c6c152695f9f25cd56ce04deae74412fa680b2bee84415219b1",
    "signature": "0x17505a1e49f30bfd1c8043f5ef4c01010d59f36715ee66e8825e97abacca66e61424691ca4a28ee9c957c90269a9a968e8f7adcafcddfd853332d5d994bef31d1c",
    "signer": "0x32a387BF827ceC0FcBA44dD681dBC96543d740F0",
    "userId": "969972982"
  }
}