{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "58531",
    "entityType": "User",
    "nonce": "0x5871cc56fc7c000961251e968fd55c33a29e60aa1bf93e132f547f5e850d1af2",
    "signature": "0xb76360c741cd009e5b155e60694aec17ecb570e49ec2d56068126e23a4c26e0e7f63ba88eb83731ebad050af24993de452b9c89c9c5d672cbd18591e5d4e8c6e1b",
    "signer": "0x2D566E1DaC6fc148a694abe846B32e39B6584aa5",
    "userId": "890889753"
  }
}