{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x349baebad792270eb610955c332ac52fa23b5586d1bedb05697d614f42a33f50",
    "signature": "0x91a7ed7959586dc5510725c6fedb8769fbb7c3dc467b57cf51c479fcb72e6f1077d15c541be13d45b28bb1a42bf1a292df4f1d4f770a8f675f616005a437a7e01c",
    "signer": "0xF40Be525727aa96Cf61609f0A493d9E677f73a33",
    "userId": "159460377"
  }
}