{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0xa19a267fdecbac50f007a1543579b6de002cfc7954d7f6a64b4eb1e66af755d4",
    "signature": "0x6ecd50fe82d3070e3577f4b35ee51bed9a555eb4e418f70afb5183c914234efc510ededdb9f1d50fdbedd2d18ffca50a4e332b7d9eef1e2debe5046b736e2c0a1b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}