{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "941926592",
    "entityType": "User",
    "nonce": "0x1626bd78b6cece1550c1bd8873e70f13bb630f37786f4808682c9e457c8d762e",
    "signature": "0xa0853feb0792e68acabbcacd87567c639a1f0ea4ab4cc813e427f003faecd5d254221d478a263bff1f61b635fe4eea14c89c716aa05a619c1f0d54d3ace7b7b91c",
    "signer": "0x5f669126A64334710E37f472BfBfE0D8cF408577",
    "userId": "171892"
  }
}