{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "64159186",
    "entityType": "User",
    "nonce": "0x628be9c09fe249cd55976b98330256964b061ecb0d2332f4b3a479dff71a49c8",
    "signature": "0xfdb18d215aa3fa85da6bbf50b81697ff619b39cd237dc6664b3637a952ab2a2d5f97f1bdbaaf88632c5051914e63cd19e0aa736920430acbdbd222dee3a7b1d61b",
    "signer": "0xe4ef0d36c112017cfB32ae9F7285AfF3CC333609",
    "userId": "566234743"
  }
}