{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "60465",
    "entityType": "User",
    "nonce": "0x7e24e02564bff956748b96bbe17f0b6e47af2c18ec72ac861a02b5bfe483b618",
    "signature": "0x25c4b620c340d994b9586a1d0c8c021f0900b33a9360dd7bc13da175a22096781d22611abebcfc5a1e25abd552161bde3a4d750b0485617f57ffc6647927751c1b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}