{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "811550498",
    "entityType": "User",
    "nonce": "0x1d54151cdef8880ce68ab581b838bdc7094eeba27d7a72400950edb88b46f7ae",
    "signature": "0x5e10d4b69c83a02421b4330f29299c53c03a923eddcafea207d5c35328a3e2f42516ffb90872b670ffac4c5e050dab864b0384286b4c3a8ed2619b6a4661c1231b",
    "signer": "0x833ef27c5e676B068b59D1f7945C3183e1756C2c",
    "userId": "411919841"
  }
}