{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2684",
    "entityType": "User",
    "nonce": "0x2853415be44138353df3d968f168b6b274e3717a60fb44de59d1713261c15298",
    "signature": "0x8dc15673247eeb5641d211401c420fd03a7b8834e0ec88f16ee3e647eea797f53d865473db45cf5b5b97e0cc0560a073e2c4924c1d713503e7eb20f0bccc0b1d1c",
    "signer": "0x9765cbE8e26a2c6c4847C1B69ABeB0B5250EC254",
    "userId": "678556080"
  }
}